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Finding the Third Proportional to 143,552,918 and 314,897,994

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Solution

The third proportional to 143,552,918 and 314,897,994 is: 690,760,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,552,918 : 314,897,994 = 314,897,994 : x
  2. Step 2: Convert to fraction form
    143,552,918/314,897,994 = 314,897,994/x
  3. Step 3: Cross multiply
    143,552,918x = 314,897,994 × 314,897,994
  4. Step 4: Simplify right side
    143,552,918x = 99,160,746,625,224,032
  5. Step 5: Solve for x
    x = 99,160,746,625,224,032/143,552,918
  6. Step 6: Final answer
    x = 690,760,926.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.