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Finding the Third Proportional to 68,697,603 and 148,156,582.50

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Solution

The third proportional to 68,697,603 and 148,156,582.50 is: 319,521,671.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,697,603 : 148,156,582.50 = 148,156,582.50 : x
  2. Step 2: Convert to fraction form
    68,697,603/148,156,582.50 = 148,156,582.50/x
  3. Step 3: Cross multiply
    68,697,603x = 148,156,582.50 × 148,156,582.50
  4. Step 4: Simplify right side
    68,697,603x = 21,950,372,938,079,308
  5. Step 5: Solve for x
    x = 21,950,372,938,079,308/68,697,603
  6. Step 6: Final answer
    x = 319,521,671.49

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.