Home / 137,838,028.50-213,403,470.75

Finding the Third Proportional to 137,838,028.50 and 213,403,470.75

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Solution

The third proportional to 137,838,028.50 and 213,403,470.75 is: 330,395,333.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,838,028.50 : 213,403,470.75 = 213,403,470.75 : x
  2. Step 2: Convert to fraction form
    137,838,028.50/213,403,470.75 = 213,403,470.75/x
  3. Step 3: Cross multiply
    137,838,028.50x = 213,403,470.75 × 213,403,470.75
  4. Step 4: Simplify right side
    137,838,028.50x = 45,541,041,328,146,104
  5. Step 5: Solve for x
    x = 45,541,041,328,146,104/137,838,028.50
  6. Step 6: Final answer
    x = 330,395,333.01

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.