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Finding the Third Proportional to 38,024,917.50 and 82,111,384.50

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Solution

The third proportional to 38,024,917.50 and 82,111,384.50 is: 177,312,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,024,917.50 : 82,111,384.50 = 82,111,384.50 : x
  2. Step 2: Convert to fraction form
    38,024,917.50/82,111,384.50 = 82,111,384.50/x
  3. Step 3: Cross multiply
    38,024,917.50x = 82,111,384.50 × 82,111,384.50
  4. Step 4: Simplify right side
    38,024,917.50x = 6,742,279,464,506,840
  5. Step 5: Solve for x
    x = 6,742,279,464,506,840/38,024,917.50
  6. Step 6: Final answer
    x = 177,312,139.19

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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.