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Finding the Third Proportional to 56,841,988 and 87,979,254

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Solution

The third proportional to 56,841,988 and 87,979,254 is: 136,173,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,841,988 : 87,979,254 = 87,979,254 : x
  2. Step 2: Convert to fraction form
    56,841,988/87,979,254 = 87,979,254/x
  3. Step 3: Cross multiply
    56,841,988x = 87,979,254 × 87,979,254
  4. Step 4: Simplify right side
    56,841,988x = 7,740,349,134,396,516
  5. Step 5: Solve for x
    x = 7,740,349,134,396,516/56,841,988
  6. Step 6: Final answer
    x = 136,173,089.77

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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.