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Finding the Third Proportional to 3,639,995,892 and 7,842,291,354

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Solution

The third proportional to 3,639,995,892 and 7,842,291,354 is: 16,896,044,804.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,995,892 : 7,842,291,354 = 7,842,291,354 : x
  2. Step 2: Convert to fraction form
    3,639,995,892/7,842,291,354 = 7,842,291,354/x
  3. Step 3: Cross multiply
    3,639,995,892x = 7,842,291,354 × 7,842,291,354
  4. Step 4: Simplify right side
    3,639,995,892x = 61,501,533,681,023,156,224
  5. Step 5: Solve for x
    x = 61,501,533,681,023,156,224/3,639,995,892
  6. Step 6: Final answer
    x = 16,896,044,804.94

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.