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Finding the Third Proportional to 1,221,337,908 and 2,666,654,335

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Solution

The third proportional to 1,221,337,908 and 2,666,654,335 is: 5,822,340,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,337,908 : 2,666,654,335 = 2,666,654,335 : x
  2. Step 2: Convert to fraction form
    1,221,337,908/2,666,654,335 = 2,666,654,335/x
  3. Step 3: Cross multiply
    1,221,337,908x = 2,666,654,335 × 2,666,654,335
  4. Step 4: Simplify right side
    1,221,337,908x = 7,111,045,342,374,292,480
  5. Step 5: Solve for x
    x = 7,111,045,342,374,292,480/1,221,337,908
  6. Step 6: Final answer
    x = 5,822,340,644.47

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.