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Finding the Third Proportional to 40,578,580 and 82,574,331

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Solution

The third proportional to 40,578,580 and 82,574,331 is: 168,032,497.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,578,580 : 82,574,331 = 82,574,331 : x
  2. Step 2: Convert to fraction form
    40,578,580/82,574,331 = 82,574,331/x
  3. Step 3: Cross multiply
    40,578,580x = 82,574,331 × 82,574,331
  4. Step 4: Simplify right side
    40,578,580x = 6,818,520,140,097,561
  5. Step 5: Solve for x
    x = 6,818,520,140,097,561/40,578,580
  6. Step 6: Final answer
    x = 168,032,497.44

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.