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Finding the Third Proportional to 8,513,888 and 12,758,376

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Solution

The third proportional to 8,513,888 and 12,758,376 is: 19,118,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,888 : 12,758,376 = 12,758,376 : x
  2. Step 2: Convert to fraction form
    8,513,888/12,758,376 = 12,758,376/x
  3. Step 3: Cross multiply
    8,513,888x = 12,758,376 × 12,758,376
  4. Step 4: Simplify right side
    8,513,888x = 162,776,158,157,376
  5. Step 5: Solve for x
    x = 162,776,158,157,376/8,513,888
  6. Step 6: Final answer
    x = 19,118,898.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.