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Finding the Third Proportional to 28,610,666 and 61,312,156

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Solution

The third proportional to 28,610,666 and 61,312,156 is: 131,390,876.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,610,666 : 61,312,156 = 61,312,156 : x
  2. Step 2: Convert to fraction form
    28,610,666/61,312,156 = 61,312,156/x
  3. Step 3: Cross multiply
    28,610,666x = 61,312,156 × 61,312,156
  4. Step 4: Simplify right side
    28,610,666x = 3,759,180,473,368,336
  5. Step 5: Solve for x
    x = 3,759,180,473,368,336/28,610,666
  6. Step 6: Final answer
    x = 131,390,876.16

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.