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Finding the Third Proportional to 70,718,783.06 and 105,642,651.94

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Solution

The third proportional to 70,718,783.06 and 105,642,651.94 is: 157,813,376.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,718,783.06 : 105,642,651.94 = 105,642,651.94 : x
  2. Step 2: Convert to fraction form
    70,718,783.06/105,642,651.94 = 105,642,651.94/x
  3. Step 3: Cross multiply
    70,718,783.06x = 105,642,651.94 × 105,642,651.94
  4. Step 4: Simplify right side
    70,718,783.06x = 11,160,369,908,387,772
  5. Step 5: Solve for x
    x = 11,160,369,908,387,772/70,718,783.06
  6. Step 6: Final answer
    x = 157,813,376.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.