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Finding the Third Proportional to 82,263,730 and 127,788,386

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Solution

The third proportional to 82,263,730 and 127,788,386 is: 198,506,335.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,263,730 : 127,788,386 = 127,788,386 : x
  2. Step 2: Convert to fraction form
    82,263,730/127,788,386 = 127,788,386/x
  3. Step 3: Cross multiply
    82,263,730x = 127,788,386 × 127,788,386
  4. Step 4: Simplify right side
    82,263,730x = 16,329,871,596,484,996
  5. Step 5: Solve for x
    x = 16,329,871,596,484,996/82,263,730
  6. Step 6: Final answer
    x = 198,506,335.62

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.