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Finding the Third Proportional to 58,923,702 and 128,047,572

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Solution

The third proportional to 58,923,702 and 128,047,572 is: 278,261,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,923,702 : 128,047,572 = 128,047,572 : x
  2. Step 2: Convert to fraction form
    58,923,702/128,047,572 = 128,047,572/x
  3. Step 3: Cross multiply
    58,923,702x = 128,047,572 × 128,047,572
  4. Step 4: Simplify right side
    58,923,702x = 16,396,180,695,095,184
  5. Step 5: Solve for x
    x = 16,396,180,695,095,184/58,923,702
  6. Step 6: Final answer
    x = 278,261,211.34

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.