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Finding the Third Proportional to 55,639,761 and 85,111,888.50

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Solution

The third proportional to 55,639,761 and 85,111,888.50 is: 130,195,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,639,761 : 85,111,888.50 = 85,111,888.50 : x
  2. Step 2: Convert to fraction form
    55,639,761/85,111,888.50 = 85,111,888.50/x
  3. Step 3: Cross multiply
    55,639,761x = 85,111,888.50 × 85,111,888.50
  4. Step 4: Simplify right side
    55,639,761x = 7,244,033,564,036,432
  5. Step 5: Solve for x
    x = 7,244,033,564,036,432/55,639,761
  6. Step 6: Final answer
    x = 130,195,267.45

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.