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Finding the Third Proportional to 86,686,425 and 127,155,877.50

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Solution

The third proportional to 86,686,425 and 127,155,877.50 is: 186,518,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,686,425 : 127,155,877.50 = 127,155,877.50 : x
  2. Step 2: Convert to fraction form
    86,686,425/127,155,877.50 = 127,155,877.50/x
  3. Step 3: Cross multiply
    86,686,425x = 127,155,877.50 × 127,155,877.50
  4. Step 4: Simplify right side
    86,686,425x = 16,168,617,182,795,006
  5. Step 5: Solve for x
    x = 16,168,617,182,795,006/86,686,425
  6. Step 6: Final answer
    x = 186,518,444.88

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.