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Finding the Third Proportional to 81,267,282 and 173,556,072

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Solution

The third proportional to 81,267,282 and 173,556,072 is: 370,649,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,267,282 : 173,556,072 = 173,556,072 : x
  2. Step 2: Convert to fraction form
    81,267,282/173,556,072 = 173,556,072/x
  3. Step 3: Cross multiply
    81,267,282x = 173,556,072 × 173,556,072
  4. Step 4: Simplify right side
    81,267,282x = 30,121,710,128,069,184
  5. Step 5: Solve for x
    x = 30,121,710,128,069,184/81,267,282
  6. Step 6: Final answer
    x = 370,649,902.23

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.