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Finding the Third Proportional to 8,993,921 and 19,565,557

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Solution

The third proportional to 8,993,921 and 19,565,557 is: 42,563,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993,921 : 19,565,557 = 19,565,557 : x
  2. Step 2: Convert to fraction form
    8,993,921/19,565,557 = 19,565,557/x
  3. Step 3: Cross multiply
    8,993,921x = 19,565,557 × 19,565,557
  4. Step 4: Simplify right side
    8,993,921x = 382,811,020,720,249
  5. Step 5: Solve for x
    x = 382,811,020,720,249/8,993,921
  6. Step 6: Final answer
    x = 42,563,307.01

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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.