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Finding the Third Proportional to 4,666,490 and 9,656,660

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Solution

The third proportional to 4,666,490 and 9,656,660 is: 19,983,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666,490 : 9,656,660 = 9,656,660 : x
  2. Step 2: Convert to fraction form
    4,666,490/9,656,660 = 9,656,660/x
  3. Step 3: Cross multiply
    4,666,490x = 9,656,660 × 9,656,660
  4. Step 4: Simplify right side
    4,666,490x = 93,251,082,355,600
  5. Step 5: Solve for x
    x = 93,251,082,355,600/4,666,490
  6. Step 6: Final answer
    x = 19,983,131.29

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.