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Finding the Third Proportional to 158,281,209 and 348,764,261.63

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Solution

The third proportional to 158,281,209 and 348,764,261.63 is: 768,483,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,281,209 : 348,764,261.63 = 348,764,261.63 : x
  2. Step 2: Convert to fraction form
    158,281,209/348,764,261.63 = 348,764,261.63/x
  3. Step 3: Cross multiply
    158,281,209x = 348,764,261.63 × 348,764,261.63
  4. Step 4: Simplify right side
    158,281,209x = 121,636,510,186,831,440
  5. Step 5: Solve for x
    x = 121,636,510,186,831,440/158,281,209
  6. Step 6: Final answer
    x = 768,483,580.30

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.