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Finding the Third Proportional to 58,732,132 and 128,758,424

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Solution

The third proportional to 58,732,132 and 128,758,424 is: 282,277,029.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,732,132 : 128,758,424 = 128,758,424 : x
  2. Step 2: Convert to fraction form
    58,732,132/128,758,424 = 128,758,424/x
  3. Step 3: Cross multiply
    58,732,132x = 128,758,424 × 128,758,424
  4. Step 4: Simplify right side
    58,732,132x = 16,578,731,750,963,776
  5. Step 5: Solve for x
    x = 16,578,731,750,963,776/58,732,132
  6. Step 6: Final answer
    x = 282,277,029.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.