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Finding the Third Proportional to 18,696,862 and 28,720,669

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Solution

The third proportional to 18,696,862 and 28,720,669 is: 44,118,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,862 : 28,720,669 = 28,720,669 : x
  2. Step 2: Convert to fraction form
    18,696,862/28,720,669 = 28,720,669/x
  3. Step 3: Cross multiply
    18,696,862x = 28,720,669 × 28,720,669
  4. Step 4: Simplify right side
    18,696,862x = 824,876,827,807,561
  5. Step 5: Solve for x
    x = 824,876,827,807,561/18,696,862
  6. Step 6: Final answer
    x = 44,118,463.72

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.