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Finding the Third Proportional to 21,436,310 and 45,637,816

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Solution

The third proportional to 21,436,310 and 45,637,816 is: 97,162,722.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,436,310 : 45,637,816 = 45,637,816 : x
  2. Step 2: Convert to fraction form
    21,436,310/45,637,816 = 45,637,816/x
  3. Step 3: Cross multiply
    21,436,310x = 45,637,816 × 45,637,816
  4. Step 4: Simplify right side
    21,436,310x = 2,082,810,249,249,856
  5. Step 5: Solve for x
    x = 2,082,810,249,249,856/21,436,310
  6. Step 6: Final answer
    x = 97,162,722.93

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.