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Finding the Third Proportional to 57,487,925 and 86,210,778

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Solution

The third proportional to 57,487,925 and 86,210,778 is: 129,284,510.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,487,925 : 86,210,778 = 86,210,778 : x
  2. Step 2: Convert to fraction form
    57,487,925/86,210,778 = 86,210,778/x
  3. Step 3: Cross multiply
    57,487,925x = 86,210,778 × 86,210,778
  4. Step 4: Simplify right side
    57,487,925x = 7,432,298,243,365,284
  5. Step 5: Solve for x
    x = 7,432,298,243,365,284/57,487,925
  6. Step 6: Final answer
    x = 129,284,510.50

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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.