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Finding the Third Proportional to 8,359,875.84 and 18,416,840.91

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Solution

The third proportional to 8,359,875.84 and 18,416,840.91 is: 40,572,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359,875.84 : 18,416,840.91 = 18,416,840.91 : x
  2. Step 2: Convert to fraction form
    8,359,875.84/18,416,840.91 = 18,416,840.91/x
  3. Step 3: Cross multiply
    8,359,875.84x = 18,416,840.91 × 18,416,840.91
  4. Step 4: Simplify right side
    8,359,875.84x = 339,180,028,966,123.31
  5. Step 5: Solve for x
    x = 339,180,028,966,123.31/8,359,875.84
  6. Step 6: Final answer
    x = 40,572,376.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.