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Finding the Third Proportional to 63,706,915.13 and 139,568,897.81

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Solution

The third proportional to 63,706,915.13 and 139,568,897.81 is: 305,767,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,706,915.13 : 139,568,897.81 = 139,568,897.81 : x
  2. Step 2: Convert to fraction form
    63,706,915.13/139,568,897.81 = 139,568,897.81/x
  3. Step 3: Cross multiply
    63,706,915.13x = 139,568,897.81 × 139,568,897.81
  4. Step 4: Simplify right side
    63,706,915.13x = 19,479,477,236,596,068
  5. Step 5: Solve for x
    x = 19,479,477,236,596,068/63,706,915.13
  6. Step 6: Final answer
    x = 305,767,077.22

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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.