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Finding the Third Proportional to 35,942,618 and 78,727,038

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Solution

The third proportional to 35,942,618 and 78,727,038 is: 172,440,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,942,618 : 78,727,038 = 78,727,038 : x
  2. Step 2: Convert to fraction form
    35,942,618/78,727,038 = 78,727,038/x
  3. Step 3: Cross multiply
    35,942,618x = 78,727,038 × 78,727,038
  4. Step 4: Simplify right side
    35,942,618x = 6,197,946,512,253,444
  5. Step 5: Solve for x
    x = 6,197,946,512,253,444/35,942,618
  6. Step 6: Final answer
    x = 172,440,040.74

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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.