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Finding the Third Proportional to 70,528,728 and 108,937,428

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Solution

The third proportional to 70,528,728 and 108,937,428 is: 168,262,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,528,728 : 108,937,428 = 108,937,428 : x
  2. Step 2: Convert to fraction form
    70,528,728/108,937,428 = 108,937,428/x
  3. Step 3: Cross multiply
    70,528,728x = 108,937,428 × 108,937,428
  4. Step 4: Simplify right side
    70,528,728x = 11,867,363,219,255,184
  5. Step 5: Solve for x
    x = 11,867,363,219,255,184/70,528,728
  6. Step 6: Final answer
    x = 168,262,827.87

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.