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Finding the Third Proportional to 12,931,667 and 21,551,877.50

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Solution

The third proportional to 12,931,667 and 21,551,877.50 is: 35,918,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,667 : 21,551,877.50 = 21,551,877.50 : x
  2. Step 2: Convert to fraction form
    12,931,667/21,551,877.50 = 21,551,877.50/x
  3. Step 3: Cross multiply
    12,931,667x = 21,551,877.50 × 21,551,877.50
  4. Step 4: Simplify right side
    12,931,667x = 464,483,423,775,006.25
  5. Step 5: Solve for x
    x = 464,483,423,775,006.25/12,931,667
  6. Step 6: Final answer
    x = 35,918,294.51

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These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.