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Finding the Third Proportional to 30,039,445 and 61,671,359

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Solution

The third proportional to 30,039,445 and 61,671,359 is: 126,612,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039,445 : 61,671,359 = 61,671,359 : x
  2. Step 2: Convert to fraction form
    30,039,445/61,671,359 = 61,671,359/x
  3. Step 3: Cross multiply
    30,039,445x = 61,671,359 × 61,671,359
  4. Step 4: Simplify right side
    30,039,445x = 3,803,356,520,906,881
  5. Step 5: Solve for x
    x = 3,803,356,520,906,881/30,039,445
  6. Step 6: Final answer
    x = 126,612,076.92

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.