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Finding the Third Proportional to 12,613,512 and 19,487,664

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Solution

The third proportional to 12,613,512 and 19,487,664 is: 30,108,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613,512 : 19,487,664 = 19,487,664 : x
  2. Step 2: Convert to fraction form
    12,613,512/19,487,664 = 19,487,664/x
  3. Step 3: Cross multiply
    12,613,512x = 19,487,664 × 19,487,664
  4. Step 4: Simplify right side
    12,613,512x = 379,769,048,176,896
  5. Step 5: Solve for x
    x = 379,769,048,176,896/12,613,512
  6. Step 6: Final answer
    x = 30,108,113.28

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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.