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Finding the Third Proportional to 8,387,896,630 and 13,023,808,575

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Solution

The third proportional to 8,387,896,630 and 13,023,808,575 is: 20,221,945,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,896,630 : 13,023,808,575 = 13,023,808,575 : x
  2. Step 2: Convert to fraction form
    8,387,896,630/13,023,808,575 = 13,023,808,575/x
  3. Step 3: Cross multiply
    8,387,896,630x = 13,023,808,575 × 13,023,808,575
  4. Step 4: Simplify right side
    8,387,896,630x = 169,619,589,798,243,532,800
  5. Step 5: Solve for x
    x = 169,619,589,798,243,532,800/8,387,896,630
  6. Step 6: Final answer
    x = 20,221,945,653.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.