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Finding the Third Proportional to 56,685,421 and 85,013,389.50

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Solution

The third proportional to 56,685,421 and 85,013,389.50 is: 127,497,975.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,685,421 : 85,013,389.50 = 85,013,389.50 : x
  2. Step 2: Convert to fraction form
    56,685,421/85,013,389.50 = 85,013,389.50/x
  3. Step 3: Cross multiply
    56,685,421x = 85,013,389.50 × 85,013,389.50
  4. Step 4: Simplify right side
    56,685,421x = 7,227,276,394,278,710
  5. Step 5: Solve for x
    x = 7,227,276,394,278,710/56,685,421
  6. Step 6: Final answer
    x = 127,497,975.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.