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Finding the Third Proportional to 28,986,934.50 and 61,328,576.25

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Solution

The third proportional to 28,986,934.50 and 61,328,576.25 is: 129,754,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986,934.50 : 61,328,576.25 = 61,328,576.25 : x
  2. Step 2: Convert to fraction form
    28,986,934.50/61,328,576.25 = 61,328,576.25/x
  3. Step 3: Cross multiply
    28,986,934.50x = 61,328,576.25 × 61,328,576.25
  4. Step 4: Simplify right side
    28,986,934.50x = 3,761,194,264,852,064
  5. Step 5: Solve for x
    x = 3,761,194,264,852,064/28,986,934.50
  6. Step 6: Final answer
    x = 129,754,812.98

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.