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Finding the Third Proportional to 8,874,148 and 12,681,363

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Solution

The third proportional to 8,874,148 and 12,681,363 is: 18,121,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874,148 : 12,681,363 = 12,681,363 : x
  2. Step 2: Convert to fraction form
    8,874,148/12,681,363 = 12,681,363/x
  3. Step 3: Cross multiply
    8,874,148x = 12,681,363 × 12,681,363
  4. Step 4: Simplify right side
    8,874,148x = 160,816,967,537,769
  5. Step 5: Solve for x
    x = 160,816,967,537,769/8,874,148
  6. Step 6: Final answer
    x = 18,121,961.40

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.