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Finding the Third Proportional to 5,518,830,557.25 and 8,276,219,712

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Solution

The third proportional to 5,518,830,557.25 and 8,276,219,712 is: 12,411,291,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518,830,557.25 : 8,276,219,712 = 8,276,219,712 : x
  2. Step 2: Convert to fraction form
    5,518,830,557.25/8,276,219,712 = 8,276,219,712/x
  3. Step 3: Cross multiply
    5,518,830,557.25x = 8,276,219,712 × 8,276,219,712
  4. Step 4: Simplify right side
    5,518,830,557.25x = 68,495,812,721,297,358,848
  5. Step 5: Solve for x
    x = 68,495,812,721,297,358,848/5,518,830,557.25
  6. Step 6: Final answer
    x = 12,411,291,126.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.