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Finding the Third Proportional to 55,698,528 and 85,149,054

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Solution

The third proportional to 55,698,528 and 85,149,054 is: 130,171,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,698,528 : 85,149,054 = 85,149,054 : x
  2. Step 2: Convert to fraction form
    55,698,528/85,149,054 = 85,149,054/x
  3. Step 3: Cross multiply
    55,698,528x = 85,149,054 × 85,149,054
  4. Step 4: Simplify right side
    55,698,528x = 7,250,361,397,094,916
  5. Step 5: Solve for x
    x = 7,250,361,397,094,916/55,698,528
  6. Step 6: Final answer
    x = 130,171,508.25

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.