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Finding the Third Proportional to 12,980,337.75 and 28,371,840.75

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Solution

The third proportional to 12,980,337.75 and 28,371,840.75 is: 62,013,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,980,337.75 : 28,371,840.75 = 28,371,840.75 : x
  2. Step 2: Convert to fraction form
    12,980,337.75/28,371,840.75 = 28,371,840.75/x
  3. Step 3: Cross multiply
    12,980,337.75x = 28,371,840.75 × 28,371,840.75
  4. Step 4: Simplify right side
    12,980,337.75x = 804,961,347,543,360.50
  5. Step 5: Solve for x
    x = 804,961,347,543,360.50/12,980,337.75
  6. Step 6: Final answer
    x = 62,013,898.49

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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.