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Finding the Third Proportional to 3,708,660,534 and 7,859,479,980

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Solution

The third proportional to 3,708,660,534 and 7,859,479,980 is: 16,655,993,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708,660,534 : 7,859,479,980 = 7,859,479,980 : x
  2. Step 2: Convert to fraction form
    3,708,660,534/7,859,479,980 = 7,859,479,980/x
  3. Step 3: Cross multiply
    3,708,660,534x = 7,859,479,980 × 7,859,479,980
  4. Step 4: Simplify right side
    3,708,660,534x = 61,771,425,556,020,797,440
  5. Step 5: Solve for x
    x = 61,771,425,556,020,797,440/3,708,660,534
  6. Step 6: Final answer
    x = 16,655,993,448.23

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.