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Finding the Third Proportional to 70,859,547 and 106,289,320.50

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Solution

The third proportional to 70,859,547 and 106,289,320.50 is: 159,433,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,859,547 : 106,289,320.50 = 106,289,320.50 : x
  2. Step 2: Convert to fraction form
    70,859,547/106,289,320.50 = 106,289,320.50/x
  3. Step 3: Cross multiply
    70,859,547x = 106,289,320.50 × 106,289,320.50
  4. Step 4: Simplify right side
    70,859,547x = 11,297,419,652,351,720
  5. Step 5: Solve for x
    x = 11,297,419,652,351,720/70,859,547
  6. Step 6: Final answer
    x = 159,433,980.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.