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Finding the Third Proportional to 28,692,862.50 and 61,479,136.50

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Solution

The third proportional to 28,692,862.50 and 61,479,136.50 is: 131,729,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692,862.50 : 61,479,136.50 = 61,479,136.50 : x
  2. Step 2: Convert to fraction form
    28,692,862.50/61,479,136.50 = 61,479,136.50/x
  3. Step 3: Cross multiply
    28,692,862.50x = 61,479,136.50 × 61,479,136.50
  4. Step 4: Simplify right side
    28,692,862.50x = 3,779,684,224,785,632
  5. Step 5: Solve for x
    x = 3,779,684,224,785,632/28,692,862.50
  6. Step 6: Final answer
    x = 131,729,074.60

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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.