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Finding the Third Proportional to 139,459,816 and 304,030,247

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Solution

The third proportional to 139,459,816 and 304,030,247 is: 662,803,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,459,816 : 304,030,247 = 304,030,247 : x
  2. Step 2: Convert to fraction form
    139,459,816/304,030,247 = 304,030,247/x
  3. Step 3: Cross multiply
    139,459,816x = 304,030,247 × 304,030,247
  4. Step 4: Simplify right side
    139,459,816x = 92,434,391,090,881,008
  5. Step 5: Solve for x
    x = 92,434,391,090,881,008/139,459,816
  6. Step 6: Final answer
    x = 662,803,047.80

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.