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Finding the Third Proportional to 172,144,407.09 and 373,515,602.06

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Solution

The third proportional to 172,144,407.09 and 373,515,602.06 is: 810,446,922.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,144,407.09 : 373,515,602.06 = 373,515,602.06 : x
  2. Step 2: Convert to fraction form
    172,144,407.09/373,515,602.06 = 373,515,602.06/x
  3. Step 3: Cross multiply
    172,144,407.09x = 373,515,602.06 × 373,515,602.06
  4. Step 4: Simplify right side
    172,144,407.09x = 139,513,904,984,111,856
  5. Step 5: Solve for x
    x = 139,513,904,984,111,856/172,144,407.09
  6. Step 6: Final answer
    x = 810,446,922.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.