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Finding the Third Proportional to 171,076,908 and 247,176,642

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Solution

The third proportional to 171,076,908 and 247,176,642 is: 357,127,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,076,908 : 247,176,642 = 247,176,642 : x
  2. Step 2: Convert to fraction form
    171,076,908/247,176,642 = 247,176,642/x
  3. Step 3: Cross multiply
    171,076,908x = 247,176,642 × 247,176,642
  4. Step 4: Simplify right side
    171,076,908x = 61,096,292,350,396,160
  5. Step 5: Solve for x
    x = 61,096,292,350,396,160/171,076,908
  6. Step 6: Final answer
    x = 357,127,639.64

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.