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Finding the Third Proportional to 13,317,988 and 28,657,251

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Solution

The third proportional to 13,317,988 and 28,657,251 is: 61,663,821.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317,988 : 28,657,251 = 28,657,251 : x
  2. Step 2: Convert to fraction form
    13,317,988/28,657,251 = 28,657,251/x
  3. Step 3: Cross multiply
    13,317,988x = 28,657,251 × 28,657,251
  4. Step 4: Simplify right side
    13,317,988x = 821,238,034,877,001
  5. Step 5: Solve for x
    x = 821,238,034,877,001/13,317,988
  6. Step 6: Final answer
    x = 61,663,821.51

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.