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Finding the Third Proportional to 30,369,670.50 and 65,348,160

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Solution

The third proportional to 30,369,670.50 and 65,348,160 is: 140,613,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369,670.50 : 65,348,160 = 65,348,160 : x
  2. Step 2: Convert to fraction form
    30,369,670.50/65,348,160 = 65,348,160/x
  3. Step 3: Cross multiply
    30,369,670.50x = 65,348,160 × 65,348,160
  4. Step 4: Simplify right side
    30,369,670.50x = 4,270,382,015,385,600
  5. Step 5: Solve for x
    x = 4,270,382,015,385,600/30,369,670.50
  6. Step 6: Final answer
    x = 140,613,379.90

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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.