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Finding the Third Proportional to 21,375,681 and 35,380,005.75

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Solution

The third proportional to 21,375,681 and 35,380,005.75 is: 58,559,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375,681 : 35,380,005.75 = 35,380,005.75 : x
  2. Step 2: Convert to fraction form
    21,375,681/35,380,005.75 = 35,380,005.75/x
  3. Step 3: Cross multiply
    21,375,681x = 35,380,005.75 × 35,380,005.75
  4. Step 4: Simplify right side
    21,375,681x = 1,251,744,806,870,033
  5. Step 5: Solve for x
    x = 1,251,744,806,870,033/21,375,681
  6. Step 6: Final answer
    x = 58,559,294.88

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.