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Finding the Third Proportional to 28,427,985 and 43,668,862

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Solution

The third proportional to 28,427,985 and 43,668,862 is: 67,080,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427,985 : 43,668,862 = 43,668,862 : x
  2. Step 2: Convert to fraction form
    28,427,985/43,668,862 = 43,668,862/x
  3. Step 3: Cross multiply
    28,427,985x = 43,668,862 × 43,668,862
  4. Step 4: Simplify right side
    28,427,985x = 1,906,969,508,375,044
  5. Step 5: Solve for x
    x = 1,906,969,508,375,044/28,427,985
  6. Step 6: Final answer
    x = 67,080,713.19

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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.