Finding the Third Proportional to 357,430.69 and 557,246.81
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Solution
The third proportional to 357,430.69 and 557,246.81 is: 868,767.07
Step by Step Solution
- Step 1: Write the proportion equation
357,430.69 : 557,246.81 = 557,246.81 : x - Step 2: Convert to fraction form
357,430.69/557,246.81 = 557,246.81/x - Step 3: Cross multiply
357,430.69x = 557,246.81 × 557,246.81 - Step 4: Simplify right side
357,430.69x = 310,524,010,041.41 - Step 5: Solve for x
x = 310,524,010,041.41/357,430.69 - Step 6: Final answer
x = 868,767.07
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.