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Finding the Third Proportional to 143,086,492 and 310,369,880

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Solution

The third proportional to 143,086,492 and 310,369,880 is: 673,225,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,086,492 : 310,369,880 = 310,369,880 : x
  2. Step 2: Convert to fraction form
    143,086,492/310,369,880 = 310,369,880/x
  3. Step 3: Cross multiply
    143,086,492x = 310,369,880 × 310,369,880
  4. Step 4: Simplify right side
    143,086,492x = 96,329,462,411,214,400
  5. Step 5: Solve for x
    x = 96,329,462,411,214,400/143,086,492
  6. Step 6: Final answer
    x = 673,225,411.18

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.