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Finding the Third Proportional to 28,429,734.50 and 61,398,769.50

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Solution

The third proportional to 28,429,734.50 and 61,398,769.50 is: 132,600,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,429,734.50 : 61,398,769.50 = 61,398,769.50 : x
  2. Step 2: Convert to fraction form
    28,429,734.50/61,398,769.50 = 61,398,769.50/x
  3. Step 3: Cross multiply
    28,429,734.50x = 61,398,769.50 × 61,398,769.50
  4. Step 4: Simplify right side
    28,429,734.50x = 3,769,808,896,114,130
  5. Step 5: Solve for x
    x = 3,769,808,896,114,130/28,429,734.50
  6. Step 6: Final answer
    x = 132,600,918.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.