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Finding the Third Proportional to 1,864,368 and 4,039,776

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Solution

The third proportional to 1,864,368 and 4,039,776 is: 8,753,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,368 : 4,039,776 = 4,039,776 : x
  2. Step 2: Convert to fraction form
    1,864,368/4,039,776 = 4,039,776/x
  3. Step 3: Cross multiply
    1,864,368x = 4,039,776 × 4,039,776
  4. Step 4: Simplify right side
    1,864,368x = 16,319,790,130,176
  5. Step 5: Solve for x
    x = 16,319,790,130,176/1,864,368
  6. Step 6: Final answer
    x = 8,753,524.05

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.