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Finding the Third Proportional to 21,207,420 and 32,637,816

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Solution

The third proportional to 21,207,420 and 32,637,816 is: 50,228,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,207,420 : 32,637,816 = 32,637,816 : x
  2. Step 2: Convert to fraction form
    21,207,420/32,637,816 = 32,637,816/x
  3. Step 3: Cross multiply
    21,207,420x = 32,637,816 × 32,637,816
  4. Step 4: Simplify right side
    21,207,420x = 1,065,227,033,249,856
  5. Step 5: Solve for x
    x = 1,065,227,033,249,856/21,207,420
  6. Step 6: Final answer
    x = 50,228,978.03

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.