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Finding the Third Proportional to 253,532,720 and 555,669,328

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Solution

The third proportional to 253,532,720 and 555,669,328 is: 1,217,864,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,532,720 : 555,669,328 = 555,669,328 : x
  2. Step 2: Convert to fraction form
    253,532,720/555,669,328 = 555,669,328/x
  3. Step 3: Cross multiply
    253,532,720x = 555,669,328 × 555,669,328
  4. Step 4: Simplify right side
    253,532,720x = 308,768,402,079,971,584
  5. Step 5: Solve for x
    x = 308,768,402,079,971,584/253,532,720
  6. Step 6: Final answer
    x = 1,217,864,116.63

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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.