Home / 31,490,450,305.80-69,399,657,464.31

Finding the Third Proportional to 31,490,450,305.80 and 69,399,657,464.31

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Solution

The third proportional to 31,490,450,305.80 and 69,399,657,464.31 is: 152,945,175,740.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,490,450,305.80 : 69,399,657,464.31 = 69,399,657,464.31 : x
  2. Step 2: Convert to fraction form
    31,490,450,305.80/69,399,657,464.31 = 69,399,657,464.31/x
  3. Step 3: Cross multiply
    31,490,450,305.80x = 69,399,657,464.31 × 69,399,657,464.31
  4. Step 4: Simplify right side
    31,490,450,305.80x = 4,816,312,456,163,975,233,536
  5. Step 5: Solve for x
    x = 4,816,312,456,163,975,233,536/31,490,450,305.80
  6. Step 6: Final answer
    x = 152,945,175,740.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.