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Finding the Third Proportional to 30,039,458 and 61,671,382

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Solution

The third proportional to 30,039,458 and 61,671,382 is: 126,612,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039,458 : 61,671,382 = 61,671,382 : x
  2. Step 2: Convert to fraction form
    30,039,458/61,671,382 = 61,671,382/x
  3. Step 3: Cross multiply
    30,039,458x = 61,671,382 × 61,671,382
  4. Step 4: Simplify right side
    30,039,458x = 3,803,359,357,789,924
  5. Step 5: Solve for x
    x = 3,803,359,357,789,924/30,039,458
  6. Step 6: Final answer
    x = 126,612,116.56

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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.