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Finding the Third Proportional to 28,287,432 and 61,756,470

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Solution

The third proportional to 28,287,432 and 61,756,470 is: 134,825,302.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,287,432 : 61,756,470 = 61,756,470 : x
  2. Step 2: Convert to fraction form
    28,287,432/61,756,470 = 61,756,470/x
  3. Step 3: Cross multiply
    28,287,432x = 61,756,470 × 61,756,470
  4. Step 4: Simplify right side
    28,287,432x = 3,813,861,586,860,900
  5. Step 5: Solve for x
    x = 3,813,861,586,860,900/28,287,432
  6. Step 6: Final answer
    x = 134,825,302.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.