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Finding the Third Proportional to 20,715,937 and 28,803,862

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Solution

The third proportional to 20,715,937 and 28,803,862 is: 40,049,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715,937 : 28,803,862 = 28,803,862 : x
  2. Step 2: Convert to fraction form
    20,715,937/28,803,862 = 28,803,862/x
  3. Step 3: Cross multiply
    20,715,937x = 28,803,862 × 28,803,862
  4. Step 4: Simplify right side
    20,715,937x = 829,662,466,115,044
  5. Step 5: Solve for x
    x = 829,662,466,115,044/20,715,937
  6. Step 6: Final answer
    x = 40,049,478.14

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.