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Finding the Third Proportional to 62,459,391 and 135,343,421

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Solution

The third proportional to 62,459,391 and 135,343,421 is: 293,276,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,459,391 : 135,343,421 = 135,343,421 : x
  2. Step 2: Convert to fraction form
    62,459,391/135,343,421 = 135,343,421/x
  3. Step 3: Cross multiply
    62,459,391x = 135,343,421 × 135,343,421
  4. Step 4: Simplify right side
    62,459,391x = 18,317,841,607,983,240
  5. Step 5: Solve for x
    x = 18,317,841,607,983,240/62,459,391
  6. Step 6: Final answer
    x = 293,276,020.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.