Home / 20,918,125.76-45,197,431.31

Finding the Third Proportional to 20,918,125.76 and 45,197,431.31

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Solution

The third proportional to 20,918,125.76 and 45,197,431.31 is: 97,657,305.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,918,125.76 : 45,197,431.31 = 45,197,431.31 : x
  2. Step 2: Convert to fraction form
    20,918,125.76/45,197,431.31 = 45,197,431.31/x
  3. Step 3: Cross multiply
    20,918,125.76x = 45,197,431.31 × 45,197,431.31
  4. Step 4: Simplify right side
    20,918,125.76x = 2,042,807,797,248,155.50
  5. Step 5: Solve for x
    x = 2,042,807,797,248,155.50/20,918,125.76
  6. Step 6: Final answer
    x = 97,657,305.48

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.