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Finding the Third Proportional to 74,507,732 and 162,866,468

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Solution

The third proportional to 74,507,732 and 162,866,468 is: 356,009,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,507,732 : 162,866,468 = 162,866,468 : x
  2. Step 2: Convert to fraction form
    74,507,732/162,866,468 = 162,866,468/x
  3. Step 3: Cross multiply
    74,507,732x = 162,866,468 × 162,866,468
  4. Step 4: Simplify right side
    74,507,732x = 26,525,486,398,795,024
  5. Step 5: Solve for x
    x = 26,525,486,398,795,024/74,507,732
  6. Step 6: Final answer
    x = 356,009,848.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.