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Finding the Third Proportional to 28,305,688.50 and 61,911,013.50

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Solution

The third proportional to 28,305,688.50 and 61,911,013.50 is: 135,413,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305,688.50 : 61,911,013.50 = 61,911,013.50 : x
  2. Step 2: Convert to fraction form
    28,305,688.50/61,911,013.50 = 61,911,013.50/x
  3. Step 3: Cross multiply
    28,305,688.50x = 61,911,013.50 × 61,911,013.50
  4. Step 4: Simplify right side
    28,305,688.50x = 3,832,973,592,597,182
  5. Step 5: Solve for x
    x = 3,832,973,592,597,182/28,305,688.50
  6. Step 6: Final answer
    x = 135,413,543.91

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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.